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參數(shù)資料
| 型號： | UCB1500 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | PCI to AC97 bridge/host controller |
| 中文描述： | PCI BUS CONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80 |
| 文件頁數(shù)： | 38/58頁 |
| 文件大小： | 1001K |
| 代理商： | UCB1500 |
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Philips Semiconductors
UCB1500
PCI to AC97 bridge/host controller
Objective specification
Rev. 01 — 4 February 2000
38 of 58
9397 750 06854
Philips Electronics N.V. 2000. All rights reserved.
8.6.11
[00ca]: AC97 command data register
8.6.12
[00cb-00cc]: Reserved.
8.6.13
[00cd]: AC97 GPIO data register
8.6.14
[00ce-d2]: Reserved
8.6.15
[00d3]: AC97 GPIO_INT enable
8.6.16
[00d4]: Reserved
Table 56: AC97 command data register bit description
Bit
Description
15-0
Command data register
This register contains data to be written to the AC97 during write command, and
contains read data from codec during read command. Read data is valid when
register C8h bit 10 is set.
Table 57: AC97 GPIO data register bit description
Bit
Description
15-0
GPIO data register
This register contains data to be written to the AC97 during GPIO write
command, and contains read data from codec during read command. Read data
is valid when register C9h bit 9 is set.
Table 58: AC97 GPIO_INT enable register bit description
Bit
Description
15-8
Reserved.
7
GPIO_INT interrupt enable
Enables interrupt on GPIO_INT.
6-4
Reserved.
3-0
GPIO_INT interrupt mode
Specifies which transition on GPIO_INT will generate the interrupt, if enabled.
100 = level 0
101 = level 1
110 = positive edge
111 = negative edge
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